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Finding the Fourth Proportional to 895.37, 1,343.20 and 433.18

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Solution

The fourth proportional to 895.37, 1,343.20 and 433.18 is: 649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.37 : 1,343.20 = 433.18 : x
  2. Step 2: Convert to fraction form
    895.37/1,343.20 = 433.18/x
  3. Step 3: Cross multiply
    895.37x = 1,343.20 × 433.18
  4. Step 4: Simplify right side
    895.37x = 581,851.34
  5. Step 5: Solve for x
    x = 581,851.34/895.37
  6. Step 6: Final answer
    x = 649.84

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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.