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Finding the Fourth Proportional to 672.04, 927.66 and 524.89

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Solution

The fourth proportional to 672.04, 927.66 and 524.89 is: 724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.04 : 927.66 = 524.89 : x
  2. Step 2: Convert to fraction form
    672.04/927.66 = 524.89/x
  3. Step 3: Cross multiply
    672.04x = 927.66 × 524.89
  4. Step 4: Simplify right side
    672.04x = 486,919.46
  5. Step 5: Solve for x
    x = 486,919.46/672.04
  6. Step 6: Final answer
    x = 724.54

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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.