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Finding the Fourth Proportional to 295.07, 407.03 and 170.64

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Solution

The fourth proportional to 295.07, 407.03 and 170.64 is: 235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.07 : 407.03 = 170.64 : x
  2. Step 2: Convert to fraction form
    295.07/407.03 = 170.64/x
  3. Step 3: Cross multiply
    295.07x = 407.03 × 170.64
  4. Step 4: Simplify right side
    295.07x = 69,454.75
  5. Step 5: Solve for x
    x = 69,454.75/295.07
  6. Step 6: Final answer
    x = 235.39

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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.