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Finding the Fourth Proportional to 341.07, 469.98 and 253.59

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Solution

The fourth proportional to 341.07, 469.98 and 253.59 is: 349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.07 : 469.98 = 253.59 : x
  2. Step 2: Convert to fraction form
    341.07/469.98 = 253.59/x
  3. Step 3: Cross multiply
    341.07x = 469.98 × 253.59
  4. Step 4: Simplify right side
    341.07x = 119,182.23
  5. Step 5: Solve for x
    x = 119,182.23/341.07
  6. Step 6: Final answer
    x = 349.44

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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.