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Finding the Fourth Proportional to 259.16, 357.98 and 233.24

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Solution

The fourth proportional to 259.16, 357.98 and 233.24 is: 322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.16 : 357.98 = 233.24 : x
  2. Step 2: Convert to fraction form
    259.16/357.98 = 233.24/x
  3. Step 3: Cross multiply
    259.16x = 357.98 × 233.24
  4. Step 4: Simplify right side
    259.16x = 83,495.26
  5. Step 5: Solve for x
    x = 83,495.26/259.16
  6. Step 6: Final answer
    x = 322.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.