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Finding the Fourth Proportional to 514.54, 710.07 and 293.51

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Solution

The fourth proportional to 514.54, 710.07 and 293.51 is: 405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.54 : 710.07 = 293.51 : x
  2. Step 2: Convert to fraction form
    514.54/710.07 = 293.51/x
  3. Step 3: Cross multiply
    514.54x = 710.07 × 293.51
  4. Step 4: Simplify right side
    514.54x = 208,412.65
  5. Step 5: Solve for x
    x = 208,412.65/514.54
  6. Step 6: Final answer
    x = 405.05

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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.