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Finding the Fourth Proportional to 895.20, 1,343.10 and 433.26

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Solution

The fourth proportional to 895.20, 1,343.10 and 433.26 is: 650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.20 : 1,343.10 = 433.26 : x
  2. Step 2: Convert to fraction form
    895.20/1,343.10 = 433.26/x
  3. Step 3: Cross multiply
    895.20x = 1,343.10 × 433.26
  4. Step 4: Simplify right side
    895.20x = 581,911.51
  5. Step 5: Solve for x
    x = 581,911.51/895.20
  6. Step 6: Final answer
    x = 650.04

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.