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Finding the Fourth Proportional to 670.50, 924.48 and 460.71

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Solution

The fourth proportional to 670.50, 924.48 and 460.71 is: 635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.50 : 924.48 = 460.71 : x
  2. Step 2: Convert to fraction form
    670.50/924.48 = 460.71/x
  3. Step 3: Cross multiply
    670.50x = 924.48 × 460.71
  4. Step 4: Simplify right side
    670.50x = 425,917.18
  5. Step 5: Solve for x
    x = 425,917.18/670.50
  6. Step 6: Final answer
    x = 635.22

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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.