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Finding the Fourth Proportional to 593.38, 818.94 and 331.48

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Solution

The fourth proportional to 593.38, 818.94 and 331.48 is: 457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.38 : 818.94 = 331.48 : x
  2. Step 2: Convert to fraction form
    593.38/818.94 = 331.48/x
  3. Step 3: Cross multiply
    593.38x = 818.94 × 331.48
  4. Step 4: Simplify right side
    593.38x = 271,462.23
  5. Step 5: Solve for x
    x = 271,462.23/593.38
  6. Step 6: Final answer
    x = 457.48

Related Problems

Find fourth proportional to 296.69, 409.47 and 165.74
Half scale
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Double scale
Find fourth proportional to 594.38, 820.32 and 332.48
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.