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Finding the Fourth Proportional to 641.24, 954.93 and 599.72

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Solution

The fourth proportional to 641.24, 954.93 and 599.72 is: 893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641.24 : 954.93 = 599.72 : x
  2. Step 2: Convert to fraction form
    641.24/954.93 = 599.72/x
  3. Step 3: Cross multiply
    641.24x = 954.93 × 599.72
  4. Step 4: Simplify right side
    641.24x = 572,689.02
  5. Step 5: Solve for x
    x = 572,689.02/641.24
  6. Step 6: Final answer
    x = 893.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.