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Finding the Fourth Proportional to 593.32, 818.78 and 344.69

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Solution

The fourth proportional to 593.32, 818.78 and 344.69 is: 475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.32 : 818.78 = 344.69 : x
  2. Step 2: Convert to fraction form
    593.32/818.78 = 344.69/x
  3. Step 3: Cross multiply
    593.32x = 818.78 × 344.69
  4. Step 4: Simplify right side
    593.32x = 282,225.28
  5. Step 5: Solve for x
    x = 282,225.28/593.32
  6. Step 6: Final answer
    x = 475.67

Related Problems

Find fourth proportional to 296.66, 409.39 and 172.35
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.