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Finding the Fourth Proportional to 895.87, 1,344.03 and 348.21

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Solution

The fourth proportional to 895.87, 1,344.03 and 348.21 is: 522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.87 : 1,344.03 = 348.21 : x
  2. Step 2: Convert to fraction form
    895.87/1,344.03 = 348.21/x
  3. Step 3: Cross multiply
    895.87x = 1,344.03 × 348.21
  4. Step 4: Simplify right side
    895.87x = 468,004.69
  5. Step 5: Solve for x
    x = 468,004.69/895.87
  6. Step 6: Final answer
    x = 522.40

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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.