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Finding the Fourth Proportional to 215.07, 295.51 and 175.63

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Solution

The fourth proportional to 215.07, 295.51 and 175.63 is: 241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215.07 : 295.51 = 175.63 : x
  2. Step 2: Convert to fraction form
    215.07/295.51 = 175.63/x
  3. Step 3: Cross multiply
    215.07x = 295.51 × 175.63
  4. Step 4: Simplify right side
    215.07x = 51,900.42
  5. Step 5: Solve for x
    x = 51,900.42/215.07
  6. Step 6: Final answer
    x = 241.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.