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Finding the Fourth Proportional to 895.92, 1,236.65 and 522.76

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Solution

The fourth proportional to 895.92, 1,236.65 and 522.76 is: 721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.92 : 1,236.65 = 522.76 : x
  2. Step 2: Convert to fraction form
    895.92/1,236.65 = 522.76/x
  3. Step 3: Cross multiply
    895.92x = 1,236.65 × 522.76
  4. Step 4: Simplify right side
    895.92x = 646,474.19
  5. Step 5: Solve for x
    x = 646,474.19/895.92
  6. Step 6: Final answer
    x = 721.58

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Half scale
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Double scale
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1.5x scale

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.