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Finding the Fourth Proportional to 656.01, 898.73 and 631.39

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Solution

The fourth proportional to 656.01, 898.73 and 631.39 is: 865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.01 : 898.73 = 631.39 : x
  2. Step 2: Convert to fraction form
    656.01/898.73 = 631.39/x
  3. Step 3: Cross multiply
    656.01x = 898.73 × 631.39
  4. Step 4: Simplify right side
    656.01x = 567,449.13
  5. Step 5: Solve for x
    x = 567,449.13/656.01
  6. Step 6: Final answer
    x = 865.00

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.