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Finding the Fourth Proportional to 651.74, 898.02 and 538.44

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Solution

The fourth proportional to 651.74, 898.02 and 538.44 is: 741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.74 : 898.02 = 538.44 : x
  2. Step 2: Convert to fraction form
    651.74/898.02 = 538.44/x
  3. Step 3: Cross multiply
    651.74x = 898.02 × 538.44
  4. Step 4: Simplify right side
    651.74x = 483,529.89
  5. Step 5: Solve for x
    x = 483,529.89/651.74
  6. Step 6: Final answer
    x = 741.91

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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.