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Finding the Fourth Proportional to 630.81, 940.23 and 595.53

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Solution

The fourth proportional to 630.81, 940.23 and 595.53 is: 887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.81 : 940.23 = 595.53 : x
  2. Step 2: Convert to fraction form
    630.81/940.23 = 595.53/x
  3. Step 3: Cross multiply
    630.81x = 940.23 × 595.53
  4. Step 4: Simplify right side
    630.81x = 559,935.17
  5. Step 5: Solve for x
    x = 559,935.17/630.81
  6. Step 6: Final answer
    x = 887.64

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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.