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Finding the Fourth Proportional to 592.32, 817.03 and 393.15

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Solution

The fourth proportional to 592.32, 817.03 and 393.15 is: 542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.32 : 817.03 = 393.15 : x
  2. Step 2: Convert to fraction form
    592.32/817.03 = 393.15/x
  3. Step 3: Cross multiply
    592.32x = 817.03 × 393.15
  4. Step 4: Simplify right side
    592.32x = 321,215.34
  5. Step 5: Solve for x
    x = 321,215.34/592.32
  6. Step 6: Final answer
    x = 542.30

Related Problems

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Double scale
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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.