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Finding the Fourth Proportional to 895.86, 1,343.18 and 347.40

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Solution

The fourth proportional to 895.86, 1,343.18 and 347.40 is: 520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.86 : 1,343.18 = 347.40 : x
  2. Step 2: Convert to fraction form
    895.86/1,343.18 = 347.40/x
  3. Step 3: Cross multiply
    895.86x = 1,343.18 × 347.40
  4. Step 4: Simplify right side
    895.86x = 466,619.00
  5. Step 5: Solve for x
    x = 466,619.00/895.86
  6. Step 6: Final answer
    x = 520.86

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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.