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Finding the Fourth Proportional to 493.32, 738.56 and 372.08

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Solution

The fourth proportional to 493.32, 738.56 and 372.08 is: 557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.32 : 738.56 = 372.08 : x
  2. Step 2: Convert to fraction form
    493.32/738.56 = 372.08/x
  3. Step 3: Cross multiply
    493.32x = 738.56 × 372.08
  4. Step 4: Simplify right side
    493.32x = 274,803.40
  5. Step 5: Solve for x
    x = 274,803.40/493.32
  6. Step 6: Final answer
    x = 557.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.