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Finding the Fourth Proportional to 482.76, 724.49 and 373.34

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Solution

The fourth proportional to 482.76, 724.49 and 373.34 is: 560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.76 : 724.49 = 373.34 : x
  2. Step 2: Convert to fraction form
    482.76/724.49 = 373.34/x
  3. Step 3: Cross multiply
    482.76x = 724.49 × 373.34
  4. Step 4: Simplify right side
    482.76x = 270,477.42
  5. Step 5: Solve for x
    x = 270,477.42/482.76
  6. Step 6: Final answer
    x = 560.28

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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.