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Finding the Fourth Proportional to 569.72, 786.03 and 373.37

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Solution

The fourth proportional to 569.72, 786.03 and 373.37 is: 515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.72 : 786.03 = 373.37 : x
  2. Step 2: Convert to fraction form
    569.72/786.03 = 373.37/x
  3. Step 3: Cross multiply
    569.72x = 786.03 × 373.37
  4. Step 4: Simplify right side
    569.72x = 293,480.02
  5. Step 5: Solve for x
    x = 293,480.02/569.72
  6. Step 6: Final answer
    x = 515.13

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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.