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Finding the Fourth Proportional to 895.72, 1,236.17 and 502.87

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Solution

The fourth proportional to 895.72, 1,236.17 and 502.87 is: 694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.72 : 1,236.17 = 502.87 : x
  2. Step 2: Convert to fraction form
    895.72/1,236.17 = 502.87/x
  3. Step 3: Cross multiply
    895.72x = 1,236.17 × 502.87
  4. Step 4: Simplify right side
    895.72x = 621,632.81
  5. Step 5: Solve for x
    x = 621,632.81/895.72
  6. Step 6: Final answer
    x = 694.00

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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.