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Finding the Fourth Proportional to 593.32, 818.76 and 396.76

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Solution

The fourth proportional to 593.32, 818.76 and 396.76 is: 547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.32 : 818.76 = 396.76 : x
  2. Step 2: Convert to fraction form
    593.32/818.76 = 396.76/x
  3. Step 3: Cross multiply
    593.32x = 818.76 × 396.76
  4. Step 4: Simplify right side
    593.32x = 324,851.22
  5. Step 5: Solve for x
    x = 324,851.22/593.32
  6. Step 6: Final answer
    x = 547.51

Related Problems

Find fourth proportional to 296.66, 409.38 and 198.38
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.