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Finding the Fourth Proportional to 895.43, 1,343.43 and 402.25

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Solution

The fourth proportional to 895.43, 1,343.43 and 402.25 is: 603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.43 : 1,343.43 = 402.25 : x
  2. Step 2: Convert to fraction form
    895.43/1,343.43 = 402.25/x
  3. Step 3: Cross multiply
    895.43x = 1,343.43 × 402.25
  4. Step 4: Simplify right side
    895.43x = 540,394.72
  5. Step 5: Solve for x
    x = 540,394.72/895.43
  6. Step 6: Final answer
    x = 603.50

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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.