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Finding the Fourth Proportional to 569.16, 849.96 and 549.72

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Solution

The fourth proportional to 569.16, 849.96 and 549.72 is: 820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.16 : 849.96 = 549.72 : x
  2. Step 2: Convert to fraction form
    569.16/849.96 = 549.72/x
  3. Step 3: Cross multiply
    569.16x = 849.96 × 549.72
  4. Step 4: Simplify right side
    569.16x = 467,240.01
  5. Step 5: Solve for x
    x = 467,240.01/569.16
  6. Step 6: Final answer
    x = 820.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.