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Finding the Fourth Proportional to 569.56, 786.06 and 373.64

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Solution

The fourth proportional to 569.56, 786.06 and 373.64 is: 515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.56 : 786.06 = 373.64 : x
  2. Step 2: Convert to fraction form
    569.56/786.06 = 373.64/x
  3. Step 3: Cross multiply
    569.56x = 786.06 × 373.64
  4. Step 4: Simplify right side
    569.56x = 293,703.46
  5. Step 5: Solve for x
    x = 293,703.46/569.56
  6. Step 6: Final answer
    x = 515.67

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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.