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Finding the Fourth Proportional to 895.60, 1,235.97 and 502.66

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Solution

The fourth proportional to 895.60, 1,235.97 and 502.66 is: 693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.60 : 1,235.97 = 502.66 : x
  2. Step 2: Convert to fraction form
    895.60/1,235.97 = 502.66/x
  3. Step 3: Cross multiply
    895.60x = 1,235.97 × 502.66
  4. Step 4: Simplify right side
    895.60x = 621,272.68
  5. Step 5: Solve for x
    x = 621,272.68/895.60
  6. Step 6: Final answer
    x = 693.69

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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.