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Finding the Fourth Proportional to 630.87, 948.33 and 598.47

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Solution

The fourth proportional to 630.87, 948.33 and 598.47 is: 899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.87 : 948.33 = 598.47 : x
  2. Step 2: Convert to fraction form
    630.87/948.33 = 598.47/x
  3. Step 3: Cross multiply
    630.87x = 948.33 × 598.47
  4. Step 4: Simplify right side
    630.87x = 567,547.06
  5. Step 5: Solve for x
    x = 567,547.06/630.87
  6. Step 6: Final answer
    x = 899.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.