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Finding the Fourth Proportional to 895.93, 1,343.89 and 348.50

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Solution

The fourth proportional to 895.93, 1,343.89 and 348.50 is: 522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.93 : 1,343.89 = 348.50 : x
  2. Step 2: Convert to fraction form
    895.93/1,343.89 = 348.50/x
  3. Step 3: Cross multiply
    895.93x = 1,343.89 × 348.50
  4. Step 4: Simplify right side
    895.93x = 468,338.95
  5. Step 5: Solve for x
    x = 468,338.95/895.93
  6. Step 6: Final answer
    x = 522.74

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Double scale
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Similar ratio
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1.5x scale

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.