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Finding the Fourth Proportional to 895.29, 1,235.49 and 496.98

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Solution

The fourth proportional to 895.29, 1,235.49 and 496.98 is: 685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.29 : 1,235.49 = 496.98 : x
  2. Step 2: Convert to fraction form
    895.29/1,235.49 = 496.98/x
  3. Step 3: Cross multiply
    895.29x = 1,235.49 × 496.98
  4. Step 4: Simplify right side
    895.29x = 614,013.82
  5. Step 5: Solve for x
    x = 614,013.82/895.29
  6. Step 6: Final answer
    x = 685.83

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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.