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Finding the Fourth Proportional to 895.82, 1,342.91 and 530.91

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Solution

The fourth proportional to 895.82, 1,342.91 and 530.91 is: 795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.82 : 1,342.91 = 530.91 : x
  2. Step 2: Convert to fraction form
    895.82/1,342.91 = 530.91/x
  3. Step 3: Cross multiply
    895.82x = 1,342.91 × 530.91
  4. Step 4: Simplify right side
    895.82x = 712,965.68
  5. Step 5: Solve for x
    x = 712,965.68/895.82
  6. Step 6: Final answer
    x = 795.88

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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.